Patent attributes
Methods of making a protective cover. According to one method, a composite sheet is formed by providing a substrate formed from a nonwoven material having a puncture resistance exceeding 500 N, the substrate having a first surface and a second surface, disposing a first layer of plastic film on the substrate first surface and a second layer of plastic film on the substrate second surface. The composite sheet has a first end, a second end, a first lateral edge, a second lateral edge, and an axis extending between the first lateral edge and the second lateral edge. The method also includes folding the composite sheet about the axis to bring the first end of the composite sheet proximate the second end of the composite sheet and define a partially enclosed space having an opening proximate the first and second ends of the composite sheet.